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參數資料
| 型號： | LA76818A |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDIP54 |
| 封裝： | 0.600 INCH, DIP-54 |
| 文件頁數： | 40/44頁 |
| 文件大小： | 289K |
| 代理商： | LA76818A |
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LA76818A
No.8047-5/44
Continued from preceding page.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
RGB output (cutoff drive) block
Normal
BRT63
1.9
2.2
2.5
V
Normal-H
BRT63H
3.1
3.4
3.7
V
Hi
brightness
Max
BRT127
20
25
30
IRE
Brightness
control
Low
brightness
Min
BRT0
-30
-25
-20
IRE
Cutoff control
(min)
Vbias0
2.2
2.5
2.8
V
(Bias control)
(max)
Vbias255
3.1
3.4
3.7
V
Resolution
Vbiassns
3.5
mV/Bit
Sub-bias control Resolution
Vsbiassns
7
mV/Bit
RB Drive adjustment
Maximum output
RBout127
2.5
Vp-p
G Drive adjustment
Maximum output
Gout15
1.8
Vp-p
RB Output attenuation
RBout0
7
9
11
DB
G Output attenuation
Gout0
1.5
3.5
5.5
DB
Video SW block
Video signal input 1DC voltage
VIN1DC
2.2
2.5
2.8
V
Video signal input 1AC voltage
VIN1AC
1
Vp-p
Video signal input 2DC voltage
VIN2DC
2.2
2.5
2.8
V
Video signal input 2AC voltage
VIN2AC
1
Vp-p
SVO terminal DC voltage
SVODC
1.7
2
2.3
V
SVO terminal AC voltage
SVOAC
1.7
2
2.3
Vp-p
Chroma block (PAL/NTSC common)
B-Y/Y amplitude ratio
CLRBY
75
100
150
%
Color control characteristics 1
CLRMN
Color MAX/CEN
1.6
2.0
2.4
times
Color control characteristics 2
CLRMM
Color MAX/MIN
33
40
50
dB
Color control sensitivity
CLRSE
1
2
4
%/bit
fsc output level
FSC22
a reference value
200
Residual higher harmonic level B
E_CAR_B
300
mVp-p
Residual higher harmonic level R
E_CAR_R
300
mVp-p
Residual higher harmonic level G
E_CAR_G
300
mVp-p
Chroma block (PAL)
ACC amplitude characteristics 1
ACCM1_P
Input: +6dB/0dB 0dB = 40IRE
0.8
1.0
1.2
times
ACC amplitude characteristics 2
ACCM2_P
Input: -20dB/0dB
0.7
1.0
1.1
times
Demodulation output ratio
R-Y/B-Y: PAL
RB_P
R-Y/B-Y_GainBalance_DAC,
R-Y/B-Y_Angle_DAC = Center
0.50
0.56
0.67
times
Demodulation output ratio
G-Y/B-Y: PAL
GB_P
R-Y/B-Y_GainBalance_DAC,
R-Y/B-Y_Angle_DAC = Center, R-Y = no-signal
-0.21
-0.19
-0.17
times
Demodulation output ratio
G-Y/R-Y: PAL
GR_P
R-Y/B-Y_GainBalance_DAC,
R-Y/B-Y_Angle_DAC = Center, B-Y= no-signal
-0.56
-0.51
-0.46
times
Demodulation angle
R-Y/B-Y: PAL
ANGRB_P
R-Y/B-Y_GainBalance_DAC,
R-Y/B-Y_Angle_DAC = Center
85
90
95
deg
Killer operating point 0 (PAL)
KILLP0
0dB = 40IRE
-37
-25
dB
Killer operating point 3 (PAL)
KILLP3
0dB = 40IRE
-40
-27
dB
Difference between two Killer
operating points (PAL)
DKILLP
KILLP0-KILLP3
0.5
6.0
dB
APC pull-in range (+)
PULIN+_P
350
Hz
APC pull-in range (-)
PULIN-_P
-350
Hz
Continued on next page.
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